UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101212.upa.cvt Date: 1200Z 12 OCT 25 Searching for U0744... Searching the city database file for: U0744 ... Date:1200Z 12 OCT 25 Station: U0744 WMO ident: 20744 Latitude: 72.37 Longitude: 52.73 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1013 20 6.6 4.3 85 2.3 5.5 190 7 278.7 279.6 278.0 292.8 5.14 1 1000 126 6.4 2.0 73 4.4 4.4 180 15 279.5 280.3 277.5 291.7 4.42 2 925 764 6.4 0.4 65 6.0 3.6 200 15 285.9 286.6 280.4 297.9 4.25 3 920 808 6.2 0.2 65 6.0 3.4 201 15 286.1 286.8 280.5 298.1 4.21 4 869 1273 2.8 -4.2 60 7.0 -0.1 207 18 287.3 287.8 279.8 296.6 3.22 5 850 1452 1.4 -4.6 64 6.0 -1.0 210 19 287.6 288.2 280.0 296.9 3.19 6 788 2057 -2.9 -7.9 68 5.0 -4.7 210 25 289.3 289.8 280.1 297.2 2.67 7 719 2780 -5.5 -7.9 83 2.4 -6.4 210 33 294.1 294.7 282.5 302.9 2.93 8 712 2857 -6.3 -8.3 86 2.0 -7.0 210 34 294.1 294.6 282.4 302.6 2.87 9 700 2990 -7.3 -9.2 86 1.9 -8.0 210 35 294.4 294.9 282.4 302.6 2.72 10 556 4738 -19.7 -22.5 78 2.8 -20.3 207 35 299.8 300.0 282.7 303.4 1.13 11 500 5520 -23.1 -26.0 77 2.9 -23.7 205 35 304.9 305.0 284.5 307.9 0.92 12 487 5713 -23.9 -26.7 78 2.8 -24.4 207 35 306.2 306.4 285.0 309.1 0.88 13 479 5833 -24.5 -27.7 75 3.2 -25.1 209 35 306.9 307.1 285.2 309.6 0.82 14 400 7120 -34.5 -43.5 40 9.0 -35.2 225 35 310.2 310.2 285.7 310.9 0.20 15 385 7387 -36.7 -46.7 35 10.0 -37.4 223 35 310.7 310.7 285.8 311.2 0.15 16 300 9070 -49.7 -58.7 34 9.0 -49.9 210 35 315.3 315.3 287.2 315.5 0.05 17 270 9747 -56.1 -64.1 36 8.0 -56.2 204 34 315.6 315.6 287.3 315.7 0.03 18 250 10230 -59.5 -67.5 35 8.0 -59.6 200 33 317.6 317.6 288.0 317.7 0.02 19 221 10995 -64.9 -72.9 32 8.0 -65.0 205 27 320.7 320.7 289.0 320.7 0.01 20 211 11282 -59.1 -67.1 35 8.0 -59.2 207 24 334.0 334.0 292.8 334.1 0.02 21 200 11620 -58.1 -65.1 40 7.0 -58.2 210 21 340.8 340.8 294.6 340.9 0.03 22 169 12693 -53.7 -62.7 32 9.0 -53.9 204 17 364.9 364.9 299.7 365.1 0.05 23 150 13460 -54.3 -64.3 28 10.0 -54.6 200 15 376.5 376.5 301.7 376.7 0.04 24 100 16040 -56.5 -69.5 18 13.0 -56.9 255 5 418.6 418.6 307.6 418.7 0.03 25 78 17611 -57.1 -72.1 13 15.0 -57.6 311 5 448.1 448.1 310.7 448.3 0.03 26 70 18290 -60.3 -75.3 12 15.0 -60.7 335 5 455.4 455.4 311.4 455.5 0.02 27 69 18380 -60.5 -75.5 12 15.0 -60.9 336 5 456.8 456.8 311.5 456.9 0.02 28 67 18562 -61.1 -76.1 12 15.0 -61.4 339 6 459.4 459.4 311.7 459.5 0.02 29 61 19148 -58.5 -74.5 11 16.0 -59.0 347 7 477.7 477.7 313.2 477.8 0.03 30 50 20390 -60.7 -76.7 10 16.0 -61.2 5 9 500.4 500.4 315.0 500.6 0.02 31 38 22095 -61.5 -79.5 7 18.0 -62.1 539.3 539.3 317.5 539.4 0.02 TRP 221 10995 -64.9 -72.9 32 8.0 -65.0 205 27 320.7 320.7 289.0 320.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5394.00 m Freezing level: 829.81 mb = 1649.10 m = 5410.37 ft Wetbulb zero: 870.41 mb = 1260.12 m = 4134.19 ft Precipitable water: 0.60 inches Sfc-500 mean rel hum: 75.35 % Est. max temperature: 15.28 C = 59.51 F Sfc-Lift cond lev (LCL): 977.88 mb = 309.04 m = 1013.89 ft T: 6.40 C 700-500 lapse rate: 6.25 C/km ThetaE index: 1.52 C Layer 869.0- 850.0 mb Conv cond level (CCL): 815.12 mb = 1786.87 m = 5862.36 ft Mean mixing ratio: 4.37 g/kg Conv temperature: 16.47 C = 61.65 F Cap Strength: 6.30 C Lifted Index: 9.49 C Risk: None Lifted Index @300 mb: 14.50 C Lifted Index @700 mb: 5.16 C Showalter Index: 8.05 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 18.50 C K Index: 18.00 Risk: < 20 % chance of thunderstorms Sweat Index: 73.00 Risk: None Energy Index: 2.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.57 J/kg Max Up Vert Vel: 5.21 m/s Conv Inhibition (B-): 34775.16 J/kg Cap Strength: 8.94 C Lift Cond Lev (LCL): 889.38 mb = 1084.44 m = 3557.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 237 at 21 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1013 20 190 7 1.2 6.9 | 74 17 -16.8 -4.8 1 1000 126 180 15 0.0 15.0 | 100 18 -18.0 3.3 2 925 764 200 15 5.1 14.1 | 101 13 -12.8 2.4 3 850 1452 210 19 9.5 16.5 | 119 10 -8.5 4.8 4 700 2990 210 35 17.5 30.3 | 179 19 -0.5 18.6 5 500 5520 205 35 14.8 31.7 | 171 20 -3.2 20.0 6 400 7120 225 35 24.7 24.7 | 207 15 6.8 13.1 7 300 9070 210 35 17.5 30.3 | 179 19 -0.5 18.6 8 250 10230 200 33 11.3 31.0 | 161 20 -6.7 19.3 9 221 10995 205 27 11.4 24.5 | 153 14 -6.6 12.8 10 200 11620 210 21 10.5 18.2 | 131 10 -7.5 6.5 11 150 13460 200 15 5.1 14.1 | 101 13 -12.8 2.4 12 100 16040 255 5 4.8 1.3 | 52 17 -13.1 -10.4 13 70 18290 335 5 2.1 -4.5 | 44 23 -15.9 -16.2 14 50 20390 5 9 -0.8 -9.0 | 42 28 -18.8 -20.6 Wind Parameters Mean winds (0-6000m): 207.0 at 28.6 knts Storm direction: 237.0 at 21.4 knts Shear (0-3000m) pos: 2.3 neg: 2.6 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 104.4 deg Storm rel helicity (0-3000m) pos: 90.5 neg: -0.5 tot: 90.1 m^2/s^2 ave: 30.0 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.39 Bulk Shear: 34.89 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 186 14 98 17| 8.2 0.0 8.2| 38.5 0.0 38.5 77.0 0.77| 11.3 8.7 1000 193 15 100 15| 5.1 0.0 5.1| 42.7 -0.5 42.3 42.3 0.65| 7.6 4.9 1500 198 16 104 13| 4.6 0.0 4.6| 51.3 -0.5 50.9 33.9 0.68| 6.4 4.4 2000 202 17 111 12| 3.4 1.3 4.8| 64.7 -0.5 64.2 32.1 0.74| 6.1 4.5 2500 204 19 121 12| 2.7 2.1 4.9| 78.1 -0.5 77.6 31.1 0.74| 6.0 4.4 3000 206 22 133 12| 2.3 2.6 4.9| 90.5 -0.5 90.1 30.0 0.72| 5.8 4.2 4000 207 25 148 12| 1.7 2.0 3.7| 90.5 -5.6 84.9 21.2 0.67| 4.5 3.0 5000 207 27 156 14| 1.4 1.6 3.0| 90.5 -10.8 79.7 15.9 0.62| 3.7 2.3 6000 207 29 160 15| 1.3 1.3 2.6|106.9 -13.5 93.4 15.6 0.62| 3.5 2.1 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20251012.12.gif